<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      h1,
      h2,
      h3,
      h4,
      h5,
      h6 {
        padding: 0px;
      }
      *,
      *::before,
      *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
      }
      /*анонимный слой*/

      html,
      body {
        height: 100%;
      }

      body {
        font-family: 'Segoe UI', sans-serif;
        background-color: rgba(113, 0, 158, 0.637);
        display: flex;
        text-align: center;
        justify-content: center;
        align-items: center;
        height: 100vh;
        overflow: hidden;
      }

      a {
        text-decoration: none;
      }

      button {
        border: none;
        background: none;
        cursor: pointer;
      }

      img {
        max-width: 100%;
        height: auto;
        object-fit: cover;
      }
      .container {
        max-width: 1300px;
        margin: 0 auto;
        padding: 0 40px;
      }
      .box {
        display: flex;
        height: 100%;
        width: 100%;
      }
      span {
        position: relative;
        top: 20px;
        color: #fff;
        display: inline-block;
        font-size: 5rem;
        text-shadow: 0 1px 0 #b7b7b7, 0 2px 0 #b7b7b7, 0 3px 0 #b7b7b7, 0 4px 0 #b7b7b7,
          0 5px 0 #b7b7b7, 0 6px 0 transparent, 0 7px 0 transparent, 0 8px 0 transparent,
          0 9px 0 transparent, 0 10px 10px rgba(0, 0, 0, 0.5);
        animation: anim 1s 0.4s ease infinite alternate;
      }
      h1 span:nth-child(1) {
        animation-delay: 0.1s;
      }
      h1 span:nth-child(2) {
        animation-delay: 0.3s;
      }
      h1 span:nth-child(3) {
        animation-delay: 0.5s;
      }
      h1 span:nth-child(4) {
        animation-delay: 0.7s;
      }
      h1 span:nth-child(5) {
        animation-delay: 0.9s;
      }

      @keyframes anim {
        100% {
          top: -20px;
          text-shadow: 0 1px 0 #ccc, 0 2px 0 #ccc, 0 3px 0 #ccc, 0 4px 0 #ccc, 0 5px 0 #ccc,
            0 6px 0 #ccc, 0 7px 0 #ccc, 0 8px 0 #ccc, 0 9px 0 #ccc, 0 60px 30px rgba(0, 0, 0, 0.3);
        }
      }
    </style>
  </head>
  <body>
    <h1>
      <span>H</span>
      <span>E</span>
      <span>L</span>
      <span>L</span>
      <span>O</span>
    </h1>
  </body>
</html>
